Fabrication of super-elastic graphene aerogels by ambient pressure drying and application to adsorption of oils

Xinxin Zhao; Wenlong Xu; Shuang Chen; Huie Liu; Xiaofei Yan; Yan Bao; Zexin Liu; Fan Yang; Huan Zhang; Ping Yu

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Fabrication of super-elastic graphene aerogels by ambient pressure drying and application to adsorption of oils

Full Length Article | Updated：2026-01-06

- Fabrication of super-elastic graphene aerogels by ambient pressure drying and application to adsorption of oils
- Chinese Journal of Chemical Engineering Vol. 47, Issue 7, Pages: 89-97(2022)
- Affiliations：
  
  1. State Key Laboratory of Heavy Oil Processing, China University of Petroleum (Huadong),Qingdao,China,266580
  2. Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences,Qingdao,China,266101
- Author bio：
- Funds：
- DOI：
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- Published：2022
- Accepted：
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Xinxin Zhao, Wenlong Xu, Shuang Chen, Huie Liu, Xiaofei Yan, Yan Bao, Zexin Liu, Fan Yang, Huan Zhang, Ping Yu. Fabrication of super-elastic graphene aerogels by ambient pressure drying and application to adsorption of oils[J]. Chinese Journal of Chemical Engineering, 2022, 47(7): 89-97.
DOI：

Xinxin Zhao, Wenlong Xu, Shuang Chen, Huie Liu, Xiaofei Yan, Yan Bao, Zexin Liu, Fan Yang, Huan Zhang, Ping Yu. Fabrication of super-elastic graphene aerogels by ambient pressure drying and application to adsorption of oils[J]. Chinese Journal of Chemical Engineering, 2022, 47(7): 89-97. DOI：

摘要

Abstract

Three-dimensional graphene-based aerogels have promising applications in oil adsorption and environmental restoration. However

current research of graphene-based aerogels is often hindered by high preparation cost

poor mechanical properties and low recycling efficiency. Here

super-elastic graphene aerogel (SGA) was prepared through one-step freezing and twice hydrothermal reduction followed by drying under ambient pressure. The simple atmospheric drying provides a possibility for large-scale preparation of high performance graphene-based aerogels. The prepared SGA not only has the ability of highly repeatable compression rebound

but also exhibits excellent oil adsorption performance. And the overall performance of SGA is better than most of graphene-based aerogels prepared by freeze drying. After the SGA was cyclically compressed with 70% strain for 300 times

it can return to the original shape and height substantially. SGA retained about 90% of the initial adsorption capacity after 50 cycles of adsorption and compression regeneration for cyclohexane.

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